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<div id="overview"><a href="../../../../../../api/org/jboss/netty/handler/traffic/AbstractTrafficShapingHandler.html">View Javadoc</a></div><pre>

<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * Copyright 2012 The Netty Project</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> * The Netty Project licenses this file to you under the Apache License,</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> * version 2.0 (the "License"); you may not use this file except in compliance</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * with the License. You may obtain a copy of the License at:</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> *   <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> * License for the specific language governing permissions and limitations</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> * under the License.</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <strong class="jxr_keyword">package</strong> org.jboss.netty.handler.traffic;
<a class="jxr_linenumber" name="17" href="#17">17</a>  
<a class="jxr_linenumber" name="18" href="#18">18</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.Channel;
<a class="jxr_linenumber" name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelEvent;
<a class="jxr_linenumber" name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelHandlerContext;
<a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelState;
<a class="jxr_linenumber" name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelStateEvent;
<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.MessageEvent;
<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.SimpleChannelHandler;
<a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.logging.InternalLogger;
<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.logging.InternalLoggerFactory;
<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.util.DefaultObjectSizeEstimator;
<a class="jxr_linenumber" name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.util.ExternalResourceReleasable;
<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.util.ObjectSizeEstimator;
<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.util.Timeout;
<a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.util.Timer;
<a class="jxr_linenumber" name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.util.TimerTask;
<a class="jxr_linenumber" name="33" href="#33">33</a>  
<a class="jxr_linenumber" name="34" href="#34">34</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.TimeUnit;
<a class="jxr_linenumber" name="35" href="#35">35</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.atomic.AtomicBoolean;
<a class="jxr_linenumber" name="36" href="#36">36</a>  
<a class="jxr_linenumber" name="37" href="#37">37</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_javadoccomment"> * AbstractTrafficShapingHandler allows to limit the global bandwidth</em>
<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> * (see {@link GlobalTrafficShapingHandler}) or per session</em>
<a class="jxr_linenumber" name="40" href="#40">40</a>  <em class="jxr_javadoccomment"> * bandwidth (see {@link ChannelTrafficShapingHandler}), as traffic shaping.</em>
<a class="jxr_linenumber" name="41" href="#41">41</a>  <em class="jxr_javadoccomment"> * It allows too to implement an almost real time monitoring of the bandwidth using</em>
<a class="jxr_linenumber" name="42" href="#42">42</a>  <em class="jxr_javadoccomment"> * the monitors from {@link TrafficCounter} that will call back every checkInterval</em>
<a class="jxr_linenumber" name="43" href="#43">43</a>  <em class="jxr_javadoccomment"> * the method doAccounting of this handler.&lt;br&gt;</em>
<a class="jxr_linenumber" name="44" href="#44">44</a>  <em class="jxr_javadoccomment"> * &lt;br&gt;</em>
<a class="jxr_linenumber" name="45" href="#45">45</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="46" href="#46">46</a>  <em class="jxr_javadoccomment"> * An {@link ObjectSizeEstimator} can be passed at construction to specify what</em>
<a class="jxr_linenumber" name="47" href="#47">47</a>  <em class="jxr_javadoccomment"> * is the size of the object to be read or write accordingly to the type of</em>
<a class="jxr_linenumber" name="48" href="#48">48</a>  <em class="jxr_javadoccomment"> * object. If not specified, it will used the {@link DefaultObjectSizeEstimator} implementation.&lt;br&gt;&lt;br&gt;</em>
<a class="jxr_linenumber" name="49" href="#49">49</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="50" href="#50">50</a>  <em class="jxr_javadoccomment"> * If you want for any particular reasons to stop the monitoring (accounting) or to change</em>
<a class="jxr_linenumber" name="51" href="#51">51</a>  <em class="jxr_javadoccomment"> * the read/write limit or the check interval, several methods allow that for you:&lt;br&gt;</em>
<a class="jxr_linenumber" name="52" href="#52">52</a>  <em class="jxr_javadoccomment"> * &lt;ul&gt;</em>
<a class="jxr_linenumber" name="53" href="#53">53</a>  <em class="jxr_javadoccomment"> * &lt;li&gt;&lt;tt&gt;configure&lt;/tt&gt; allows you to change read or write limits, or the checkInterval&lt;/li&gt;</em>
<a class="jxr_linenumber" name="54" href="#54">54</a>  <em class="jxr_javadoccomment"> * &lt;li&gt;&lt;tt&gt;getTrafficCounter&lt;/tt&gt; allows you to have access to the TrafficCounter and so to stop</em>
<a class="jxr_linenumber" name="55" href="#55">55</a>  <em class="jxr_javadoccomment"> * or start the monitoring, to change the checkInterval directly, or to have access to its values.&lt;/li&gt;</em>
<a class="jxr_linenumber" name="56" href="#56">56</a>  <em class="jxr_javadoccomment"> * &lt;li&gt;&lt;/li&gt;</em>
<a class="jxr_linenumber" name="57" href="#57">57</a>  <em class="jxr_javadoccomment"> * &lt;/ul&gt;</em>
<a class="jxr_linenumber" name="58" href="#58">58</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="59" href="#59">59</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/jboss/netty/handler/traffic/AbstractTrafficShapingHandler.html">AbstractTrafficShapingHandler</a> <strong class="jxr_keyword">extends</strong>
<a class="jxr_linenumber" name="60" href="#60">60</a>          <a href="../../../../../org/jboss/netty/channel/SimpleChannelHandler.html">SimpleChannelHandler</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../../org/jboss/netty/util/ExternalResourceReleasable.html">ExternalResourceReleasable</a> {
<a class="jxr_linenumber" name="61" href="#61">61</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="62" href="#62">62</a>  <em class="jxr_javadoccomment">     * Internal logger</em>
<a class="jxr_linenumber" name="63" href="#63">63</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="64" href="#64">64</a>      <strong class="jxr_keyword">static</strong> <a href="../../../../../org/jboss/netty/logging/InternalLogger.html">InternalLogger</a> logger = <a href="../../../../../org/jboss/netty/logging/InternalLoggerFactory.html">InternalLoggerFactory</a>
<a class="jxr_linenumber" name="65" href="#65">65</a>              .getInstance(AbstractTrafficShapingHandler.<strong class="jxr_keyword">class</strong>);
<a class="jxr_linenumber" name="66" href="#66">66</a>  
<a class="jxr_linenumber" name="67" href="#67">67</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="68" href="#68">68</a>  <em class="jxr_javadoccomment">     * Default delay between two checks: 1s</em>
<a class="jxr_linenumber" name="69" href="#69">69</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="70" href="#70">70</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> DEFAULT_CHECK_INTERVAL = 1000;
<a class="jxr_linenumber" name="71" href="#71">71</a>  
<a class="jxr_linenumber" name="72" href="#72">72</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="73" href="#73">73</a>  <em class="jxr_javadoccomment">     * Default minimal time to wait</em>
<a class="jxr_linenumber" name="74" href="#74">74</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="75" href="#75">75</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> MINIMAL_WAIT = 10;
<a class="jxr_linenumber" name="76" href="#76">76</a>  
<a class="jxr_linenumber" name="77" href="#77">77</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="78" href="#78">78</a>  <em class="jxr_javadoccomment">     * Traffic Counter</em>
<a class="jxr_linenumber" name="79" href="#79">79</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="80" href="#80">80</a>      <strong class="jxr_keyword">protected</strong> <a href="../../../../../org/jboss/netty/handler/traffic/TrafficCounter.html">TrafficCounter</a> trafficCounter;
<a class="jxr_linenumber" name="81" href="#81">81</a>  
<a class="jxr_linenumber" name="82" href="#82">82</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="83" href="#83">83</a>  <em class="jxr_javadoccomment">     * ObjectSizeEstimator</em>
<a class="jxr_linenumber" name="84" href="#84">84</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="85" href="#85">85</a>      <strong class="jxr_keyword">private</strong> <a href="../../../../../org/jboss/netty/util/ObjectSizeEstimator.html">ObjectSizeEstimator</a> objectSizeEstimator;
<a class="jxr_linenumber" name="86" href="#86">86</a>  
<a class="jxr_linenumber" name="87" href="#87">87</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="88" href="#88">88</a>  <em class="jxr_javadoccomment">     * Timer to associated to any TrafficCounter</em>
<a class="jxr_linenumber" name="89" href="#89">89</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="90" href="#90">90</a>      <strong class="jxr_keyword">protected</strong> <a href="../../../../../org/jboss/netty/util/Timer.html">Timer</a> timer;
<a class="jxr_linenumber" name="91" href="#91">91</a>  
<a class="jxr_linenumber" name="92" href="#92">92</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="93" href="#93">93</a>  <em class="jxr_javadoccomment">     * used in releaseExternalResources() to cancel the timer</em>
<a class="jxr_linenumber" name="94" href="#94">94</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="95" href="#95">95</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">volatile</strong> <a href="../../../../../org/jboss/netty/util/Timeout.html">Timeout</a> timeout;
<a class="jxr_linenumber" name="96" href="#96">96</a>  
<a class="jxr_linenumber" name="97" href="#97">97</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="98" href="#98">98</a>  <em class="jxr_javadoccomment">     * Limit in B/s to apply to write</em>
<a class="jxr_linenumber" name="99" href="#99">99</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="100" href="#100">100</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">long</strong> writeLimit;
<a class="jxr_linenumber" name="101" href="#101">101</a> 
<a class="jxr_linenumber" name="102" href="#102">102</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="103" href="#103">103</a> <em class="jxr_javadoccomment">     * Limit in B/s to apply to read</em>
<a class="jxr_linenumber" name="104" href="#104">104</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="105" href="#105">105</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">long</strong> readLimit;
<a class="jxr_linenumber" name="106" href="#106">106</a> 
<a class="jxr_linenumber" name="107" href="#107">107</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="108" href="#108">108</a> <em class="jxr_javadoccomment">     * Delay between two performance snapshots</em>
<a class="jxr_linenumber" name="109" href="#109">109</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="110" href="#110">110</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">long</strong> checkInterval = DEFAULT_CHECK_INTERVAL; <em class="jxr_comment">// default 1 s</em>
<a class="jxr_linenumber" name="111" href="#111">111</a> 
<a class="jxr_linenumber" name="112" href="#112">112</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="113" href="#113">113</a> <em class="jxr_javadoccomment">     * Boolean associated with the release of this TrafficShapingHandler.</em>
<a class="jxr_linenumber" name="114" href="#114">114</a> <em class="jxr_javadoccomment">     * It will be true only once when the releaseExternalRessources is called</em>
<a class="jxr_linenumber" name="115" href="#115">115</a> <em class="jxr_javadoccomment">     * to prevent waiting when shutdown.</em>
<a class="jxr_linenumber" name="116" href="#116">116</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="117" href="#117">117</a>     <strong class="jxr_keyword">final</strong> AtomicBoolean release = <strong class="jxr_keyword">new</strong> AtomicBoolean(false);
<a class="jxr_linenumber" name="118" href="#118">118</a> 
<a class="jxr_linenumber" name="119" href="#119">119</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> init(<a href="../../../../../org/jboss/netty/util/ObjectSizeEstimator.html">ObjectSizeEstimator</a> newObjectSizeEstimator,
<a class="jxr_linenumber" name="120" href="#120">120</a>              <a href="../../../../../org/jboss/netty/util/Timer.html">Timer</a> newTimer, <strong class="jxr_keyword">long</strong> newWriteLimit, <strong class="jxr_keyword">long</strong> newReadLimit,
<a class="jxr_linenumber" name="121" href="#121">121</a>              <strong class="jxr_keyword">long</strong> newCheckInterval) {
<a class="jxr_linenumber" name="122" href="#122">122</a>          objectSizeEstimator = newObjectSizeEstimator;
<a class="jxr_linenumber" name="123" href="#123">123</a>          timer = newTimer;
<a class="jxr_linenumber" name="124" href="#124">124</a>          writeLimit = newWriteLimit;
<a class="jxr_linenumber" name="125" href="#125">125</a>          readLimit = newReadLimit;
<a class="jxr_linenumber" name="126" href="#126">126</a>          checkInterval = newCheckInterval;
<a class="jxr_linenumber" name="127" href="#127">127</a>          <em class="jxr_comment">//logger.warn("TSH: "+writeLimit+":"+readLimit+":"+checkInterval);</em>
<a class="jxr_linenumber" name="128" href="#128">128</a>      }
<a class="jxr_linenumber" name="129" href="#129">129</a> 
<a class="jxr_linenumber" name="130" href="#130">130</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="131" href="#131">131</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="132" href="#132">132</a> <em class="jxr_javadoccomment">     * @param newTrafficCounter the TrafficCounter to set</em>
<a class="jxr_linenumber" name="133" href="#133">133</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="134" href="#134">134</a>     <strong class="jxr_keyword">void</strong> setTrafficCounter(<a href="../../../../../org/jboss/netty/handler/traffic/TrafficCounter.html">TrafficCounter</a> newTrafficCounter) {
<a class="jxr_linenumber" name="135" href="#135">135</a>         trafficCounter = newTrafficCounter;
<a class="jxr_linenumber" name="136" href="#136">136</a>     }
<a class="jxr_linenumber" name="137" href="#137">137</a> 
<a class="jxr_linenumber" name="138" href="#138">138</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="139" href="#139">139</a> <em class="jxr_javadoccomment">     * Constructor using default {@link ObjectSizeEstimator}</em>
<a class="jxr_linenumber" name="140" href="#140">140</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="141" href="#141">141</a> <em class="jxr_javadoccomment">     * @param timer</em>
<a class="jxr_linenumber" name="142" href="#142">142</a> <em class="jxr_javadoccomment">     *          created once for instance like HashedWheelTimer(10, TimeUnit.MILLISECONDS, 1024)</em>
<a class="jxr_linenumber" name="143" href="#143">143</a> <em class="jxr_javadoccomment">     * @param writeLimit</em>
<a class="jxr_linenumber" name="144" href="#144">144</a> <em class="jxr_javadoccomment">     *          0 or a limit in bytes/s</em>
<a class="jxr_linenumber" name="145" href="#145">145</a> <em class="jxr_javadoccomment">     * @param readLimit</em>
<a class="jxr_linenumber" name="146" href="#146">146</a> <em class="jxr_javadoccomment">     *          0 or a limit in bytes/s</em>
<a class="jxr_linenumber" name="147" href="#147">147</a> <em class="jxr_javadoccomment">     * @param checkInterval</em>
<a class="jxr_linenumber" name="148" href="#148">148</a> <em class="jxr_javadoccomment">     *          The delay between two computations of performances for</em>
<a class="jxr_linenumber" name="149" href="#149">149</a> <em class="jxr_javadoccomment">     *            channels or 0 if no stats are to be computed</em>
<a class="jxr_linenumber" name="150" href="#150">150</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="151" href="#151">151</a>     <strong class="jxr_keyword">protected</strong> <a href="../../../../../org/jboss/netty/handler/traffic/AbstractTrafficShapingHandler.html">AbstractTrafficShapingHandler</a>(<a href="../../../../../org/jboss/netty/util/Timer.html">Timer</a> timer, <strong class="jxr_keyword">long</strong> writeLimit,
<a class="jxr_linenumber" name="152" href="#152">152</a>                                             <strong class="jxr_keyword">long</strong> readLimit, <strong class="jxr_keyword">long</strong> checkInterval) {
<a class="jxr_linenumber" name="153" href="#153">153</a>         init(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/jboss/netty/util/DefaultObjectSizeEstimator.html">DefaultObjectSizeEstimator</a>(), timer, writeLimit, readLimit, checkInterval);
<a class="jxr_linenumber" name="154" href="#154">154</a>     }
<a class="jxr_linenumber" name="155" href="#155">155</a> 
<a class="jxr_linenumber" name="156" href="#156">156</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="157" href="#157">157</a> <em class="jxr_javadoccomment">     * Constructor using the specified ObjectSizeEstimator</em>
<a class="jxr_linenumber" name="158" href="#158">158</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="159" href="#159">159</a> <em class="jxr_javadoccomment">     * @param objectSizeEstimator</em>
<a class="jxr_linenumber" name="160" href="#160">160</a> <em class="jxr_javadoccomment">     *            the {@link ObjectSizeEstimator} that will be used to compute</em>
<a class="jxr_linenumber" name="161" href="#161">161</a> <em class="jxr_javadoccomment">     *            the size of the message</em>
<a class="jxr_linenumber" name="162" href="#162">162</a> <em class="jxr_javadoccomment">     * @param timer</em>
<a class="jxr_linenumber" name="163" href="#163">163</a> <em class="jxr_javadoccomment">     *          created once for instance like HashedWheelTimer(10, TimeUnit.MILLISECONDS, 1024)</em>
<a class="jxr_linenumber" name="164" href="#164">164</a> <em class="jxr_javadoccomment">     * @param writeLimit</em>
<a class="jxr_linenumber" name="165" href="#165">165</a> <em class="jxr_javadoccomment">     *          0 or a limit in bytes/s</em>
<a class="jxr_linenumber" name="166" href="#166">166</a> <em class="jxr_javadoccomment">     * @param readLimit</em>
<a class="jxr_linenumber" name="167" href="#167">167</a> <em class="jxr_javadoccomment">     *          0 or a limit in bytes/s</em>
<a class="jxr_linenumber" name="168" href="#168">168</a> <em class="jxr_javadoccomment">     * @param checkInterval</em>
<a class="jxr_linenumber" name="169" href="#169">169</a> <em class="jxr_javadoccomment">     *          The delay between two computations of performances for</em>
<a class="jxr_linenumber" name="170" href="#170">170</a> <em class="jxr_javadoccomment">     *            channels or 0 if no stats are to be computed</em>
<a class="jxr_linenumber" name="171" href="#171">171</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="172" href="#172">172</a>     <strong class="jxr_keyword">protected</strong> <a href="../../../../../org/jboss/netty/handler/traffic/AbstractTrafficShapingHandler.html">AbstractTrafficShapingHandler</a>(
<a class="jxr_linenumber" name="173" href="#173">173</a>             <a href="../../../../../org/jboss/netty/util/ObjectSizeEstimator.html">ObjectSizeEstimator</a> objectSizeEstimator, <a href="../../../../../org/jboss/netty/util/Timer.html">Timer</a> timer,
<a class="jxr_linenumber" name="174" href="#174">174</a>             <strong class="jxr_keyword">long</strong> writeLimit, <strong class="jxr_keyword">long</strong> readLimit, <strong class="jxr_keyword">long</strong> checkInterval) {
<a class="jxr_linenumber" name="175" href="#175">175</a>         init(objectSizeEstimator, timer, writeLimit, readLimit, checkInterval);
<a class="jxr_linenumber" name="176" href="#176">176</a>     }
<a class="jxr_linenumber" name="177" href="#177">177</a> 
<a class="jxr_linenumber" name="178" href="#178">178</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="179" href="#179">179</a> <em class="jxr_javadoccomment">     * Constructor using default {@link ObjectSizeEstimator} and using default Check Interval</em>
<a class="jxr_linenumber" name="180" href="#180">180</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="181" href="#181">181</a> <em class="jxr_javadoccomment">     * @param timer</em>
<a class="jxr_linenumber" name="182" href="#182">182</a> <em class="jxr_javadoccomment">     *          created once for instance like HashedWheelTimer(10, TimeUnit.MILLISECONDS, 1024)</em>
<a class="jxr_linenumber" name="183" href="#183">183</a> <em class="jxr_javadoccomment">     * @param writeLimit</em>
<a class="jxr_linenumber" name="184" href="#184">184</a> <em class="jxr_javadoccomment">     *          0 or a limit in bytes/s</em>
<a class="jxr_linenumber" name="185" href="#185">185</a> <em class="jxr_javadoccomment">     * @param readLimit</em>
<a class="jxr_linenumber" name="186" href="#186">186</a> <em class="jxr_javadoccomment">     *          0 or a limit in bytes/s</em>
<a class="jxr_linenumber" name="187" href="#187">187</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="188" href="#188">188</a>     <strong class="jxr_keyword">protected</strong> <a href="../../../../../org/jboss/netty/handler/traffic/AbstractTrafficShapingHandler.html">AbstractTrafficShapingHandler</a>(<a href="../../../../../org/jboss/netty/util/Timer.html">Timer</a> timer, <strong class="jxr_keyword">long</strong> writeLimit,
<a class="jxr_linenumber" name="189" href="#189">189</a>                                             <strong class="jxr_keyword">long</strong> readLimit) {
<a class="jxr_linenumber" name="190" href="#190">190</a>         init(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/jboss/netty/util/DefaultObjectSizeEstimator.html">DefaultObjectSizeEstimator</a>(), timer, writeLimit, readLimit, DEFAULT_CHECK_INTERVAL);
<a class="jxr_linenumber" name="191" href="#191">191</a>     }
<a class="jxr_linenumber" name="192" href="#192">192</a> 
<a class="jxr_linenumber" name="193" href="#193">193</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="194" href="#194">194</a> <em class="jxr_javadoccomment">     * Constructor using the specified ObjectSizeEstimator and using default Check Interval</em>
<a class="jxr_linenumber" name="195" href="#195">195</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="196" href="#196">196</a> <em class="jxr_javadoccomment">     * @param objectSizeEstimator</em>
<a class="jxr_linenumber" name="197" href="#197">197</a> <em class="jxr_javadoccomment">     *            the {@link ObjectSizeEstimator} that will be used to compute</em>
<a class="jxr_linenumber" name="198" href="#198">198</a> <em class="jxr_javadoccomment">     *            the size of the message</em>
<a class="jxr_linenumber" name="199" href="#199">199</a> <em class="jxr_javadoccomment">     * @param timer</em>
<a class="jxr_linenumber" name="200" href="#200">200</a> <em class="jxr_javadoccomment">     *          created once for instance like HashedWheelTimer(10, TimeUnit.MILLISECONDS, 1024)</em>
<a class="jxr_linenumber" name="201" href="#201">201</a> <em class="jxr_javadoccomment">     * @param writeLimit</em>
<a class="jxr_linenumber" name="202" href="#202">202</a> <em class="jxr_javadoccomment">     *          0 or a limit in bytes/s</em>
<a class="jxr_linenumber" name="203" href="#203">203</a> <em class="jxr_javadoccomment">     * @param readLimit</em>
<a class="jxr_linenumber" name="204" href="#204">204</a> <em class="jxr_javadoccomment">     *          0 or a limit in bytes/s</em>
<a class="jxr_linenumber" name="205" href="#205">205</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="206" href="#206">206</a>     <strong class="jxr_keyword">protected</strong> <a href="../../../../../org/jboss/netty/handler/traffic/AbstractTrafficShapingHandler.html">AbstractTrafficShapingHandler</a>(
<a class="jxr_linenumber" name="207" href="#207">207</a>             <a href="../../../../../org/jboss/netty/util/ObjectSizeEstimator.html">ObjectSizeEstimator</a> objectSizeEstimator, <a href="../../../../../org/jboss/netty/util/Timer.html">Timer</a> timer,
<a class="jxr_linenumber" name="208" href="#208">208</a>             <strong class="jxr_keyword">long</strong> writeLimit, <strong class="jxr_keyword">long</strong> readLimit) {
<a class="jxr_linenumber" name="209" href="#209">209</a>         init(objectSizeEstimator, timer, writeLimit, readLimit, DEFAULT_CHECK_INTERVAL);
<a class="jxr_linenumber" name="210" href="#210">210</a>     }
<a class="jxr_linenumber" name="211" href="#211">211</a> 
<a class="jxr_linenumber" name="212" href="#212">212</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="213" href="#213">213</a> <em class="jxr_javadoccomment">     * Constructor using default {@link ObjectSizeEstimator} and using NO LIMIT and default Check Interval</em>
<a class="jxr_linenumber" name="214" href="#214">214</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="215" href="#215">215</a> <em class="jxr_javadoccomment">     * @param timer</em>
<a class="jxr_linenumber" name="216" href="#216">216</a> <em class="jxr_javadoccomment">     *          created once for instance like HashedWheelTimer(10, TimeUnit.MILLISECONDS, 1024)</em>
<a class="jxr_linenumber" name="217" href="#217">217</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="218" href="#218">218</a>     <strong class="jxr_keyword">protected</strong> <a href="../../../../../org/jboss/netty/handler/traffic/AbstractTrafficShapingHandler.html">AbstractTrafficShapingHandler</a>(<a href="../../../../../org/jboss/netty/util/Timer.html">Timer</a> timer) {
<a class="jxr_linenumber" name="219" href="#219">219</a>         init(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/jboss/netty/util/DefaultObjectSizeEstimator.html">DefaultObjectSizeEstimator</a>(), timer, 0, 0, DEFAULT_CHECK_INTERVAL);
<a class="jxr_linenumber" name="220" href="#220">220</a>     }
<a class="jxr_linenumber" name="221" href="#221">221</a> 
<a class="jxr_linenumber" name="222" href="#222">222</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="223" href="#223">223</a> <em class="jxr_javadoccomment">     * Constructor using the specified ObjectSizeEstimator and using NO LIMIT and default Check Interval</em>
<a class="jxr_linenumber" name="224" href="#224">224</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="225" href="#225">225</a> <em class="jxr_javadoccomment">     * @param objectSizeEstimator</em>
<a class="jxr_linenumber" name="226" href="#226">226</a> <em class="jxr_javadoccomment">     *            the {@link ObjectSizeEstimator} that will be used to compute</em>
<a class="jxr_linenumber" name="227" href="#227">227</a> <em class="jxr_javadoccomment">     *            the size of the message</em>
<a class="jxr_linenumber" name="228" href="#228">228</a> <em class="jxr_javadoccomment">     * @param timer</em>
<a class="jxr_linenumber" name="229" href="#229">229</a> <em class="jxr_javadoccomment">     *          created once for instance like HashedWheelTimer(10, TimeUnit.MILLISECONDS, 1024)</em>
<a class="jxr_linenumber" name="230" href="#230">230</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="231" href="#231">231</a>     <strong class="jxr_keyword">protected</strong> <a href="../../../../../org/jboss/netty/handler/traffic/AbstractTrafficShapingHandler.html">AbstractTrafficShapingHandler</a>(
<a class="jxr_linenumber" name="232" href="#232">232</a>             <a href="../../../../../org/jboss/netty/util/ObjectSizeEstimator.html">ObjectSizeEstimator</a> objectSizeEstimator, <a href="../../../../../org/jboss/netty/util/Timer.html">Timer</a> timer) {
<a class="jxr_linenumber" name="233" href="#233">233</a>         init(objectSizeEstimator, timer, 0, 0, DEFAULT_CHECK_INTERVAL);
<a class="jxr_linenumber" name="234" href="#234">234</a>     }
<a class="jxr_linenumber" name="235" href="#235">235</a> 
<a class="jxr_linenumber" name="236" href="#236">236</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="237" href="#237">237</a> <em class="jxr_javadoccomment">     * Constructor using default {@link ObjectSizeEstimator} and using NO LIMIT</em>
<a class="jxr_linenumber" name="238" href="#238">238</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="239" href="#239">239</a> <em class="jxr_javadoccomment">     * @param timer</em>
<a class="jxr_linenumber" name="240" href="#240">240</a> <em class="jxr_javadoccomment">     *          created once for instance like HashedWheelTimer(10, TimeUnit.MILLISECONDS, 1024)</em>
<a class="jxr_linenumber" name="241" href="#241">241</a> <em class="jxr_javadoccomment">     * @param checkInterval</em>
<a class="jxr_linenumber" name="242" href="#242">242</a> <em class="jxr_javadoccomment">     *          The delay between two computations of performances for</em>
<a class="jxr_linenumber" name="243" href="#243">243</a> <em class="jxr_javadoccomment">     *            channels or 0 if no stats are to be computed</em>
<a class="jxr_linenumber" name="244" href="#244">244</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="245" href="#245">245</a>     <strong class="jxr_keyword">protected</strong> <a href="../../../../../org/jboss/netty/handler/traffic/AbstractTrafficShapingHandler.html">AbstractTrafficShapingHandler</a>(<a href="../../../../../org/jboss/netty/util/Timer.html">Timer</a> timer, <strong class="jxr_keyword">long</strong> checkInterval) {
<a class="jxr_linenumber" name="246" href="#246">246</a>         init(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/jboss/netty/util/DefaultObjectSizeEstimator.html">DefaultObjectSizeEstimator</a>(), timer, 0, 0, checkInterval);
<a class="jxr_linenumber" name="247" href="#247">247</a>     }
<a class="jxr_linenumber" name="248" href="#248">248</a> 
<a class="jxr_linenumber" name="249" href="#249">249</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="250" href="#250">250</a> <em class="jxr_javadoccomment">     * Constructor using the specified ObjectSizeEstimator and using NO LIMIT</em>
<a class="jxr_linenumber" name="251" href="#251">251</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="252" href="#252">252</a> <em class="jxr_javadoccomment">     * @param objectSizeEstimator</em>
<a class="jxr_linenumber" name="253" href="#253">253</a> <em class="jxr_javadoccomment">     *            the {@link ObjectSizeEstimator} that will be used to compute</em>
<a class="jxr_linenumber" name="254" href="#254">254</a> <em class="jxr_javadoccomment">     *            the size of the message</em>
<a class="jxr_linenumber" name="255" href="#255">255</a> <em class="jxr_javadoccomment">     * @param timer</em>
<a class="jxr_linenumber" name="256" href="#256">256</a> <em class="jxr_javadoccomment">     *          created once for instance like HashedWheelTimer(10, TimeUnit.MILLISECONDS, 1024)</em>
<a class="jxr_linenumber" name="257" href="#257">257</a> <em class="jxr_javadoccomment">     * @param checkInterval</em>
<a class="jxr_linenumber" name="258" href="#258">258</a> <em class="jxr_javadoccomment">     *          The delay between two computations of performances for</em>
<a class="jxr_linenumber" name="259" href="#259">259</a> <em class="jxr_javadoccomment">     *            channels or 0 if no stats are to be computed</em>
<a class="jxr_linenumber" name="260" href="#260">260</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="261" href="#261">261</a>     <strong class="jxr_keyword">protected</strong> <a href="../../../../../org/jboss/netty/handler/traffic/AbstractTrafficShapingHandler.html">AbstractTrafficShapingHandler</a>(
<a class="jxr_linenumber" name="262" href="#262">262</a>             <a href="../../../../../org/jboss/netty/util/ObjectSizeEstimator.html">ObjectSizeEstimator</a> objectSizeEstimator, <a href="../../../../../org/jboss/netty/util/Timer.html">Timer</a> timer,
<a class="jxr_linenumber" name="263" href="#263">263</a>             <strong class="jxr_keyword">long</strong> checkInterval) {
<a class="jxr_linenumber" name="264" href="#264">264</a>         init(objectSizeEstimator, timer, 0, 0, checkInterval);
<a class="jxr_linenumber" name="265" href="#265">265</a>     }
<a class="jxr_linenumber" name="266" href="#266">266</a> 
<a class="jxr_linenumber" name="267" href="#267">267</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="268" href="#268">268</a> <em class="jxr_javadoccomment">     * Change the underlying limitations and check interval.</em>
<a class="jxr_linenumber" name="269" href="#269">269</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="270" href="#270">270</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> configure(<strong class="jxr_keyword">long</strong> newWriteLimit, <strong class="jxr_keyword">long</strong> newReadLimit,
<a class="jxr_linenumber" name="271" href="#271">271</a>             <strong class="jxr_keyword">long</strong> newCheckInterval) {
<a class="jxr_linenumber" name="272" href="#272">272</a>         configure(newWriteLimit, newReadLimit);
<a class="jxr_linenumber" name="273" href="#273">273</a>         configure(newCheckInterval);
<a class="jxr_linenumber" name="274" href="#274">274</a>     }
<a class="jxr_linenumber" name="275" href="#275">275</a> 
<a class="jxr_linenumber" name="276" href="#276">276</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="277" href="#277">277</a> <em class="jxr_javadoccomment">     * Change the underlying limitations.</em>
<a class="jxr_linenumber" name="278" href="#278">278</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="279" href="#279">279</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> configure(<strong class="jxr_keyword">long</strong> newWriteLimit, <strong class="jxr_keyword">long</strong> newReadLimit) {
<a class="jxr_linenumber" name="280" href="#280">280</a>         writeLimit = newWriteLimit;
<a class="jxr_linenumber" name="281" href="#281">281</a>         readLimit = newReadLimit;
<a class="jxr_linenumber" name="282" href="#282">282</a>         <strong class="jxr_keyword">if</strong> (trafficCounter != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="283" href="#283">283</a>             trafficCounter.resetAccounting(System.currentTimeMillis() + 1);
<a class="jxr_linenumber" name="284" href="#284">284</a>         }
<a class="jxr_linenumber" name="285" href="#285">285</a>     }
<a class="jxr_linenumber" name="286" href="#286">286</a> 
<a class="jxr_linenumber" name="287" href="#287">287</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="288" href="#288">288</a> <em class="jxr_javadoccomment">     * Change the check interval.</em>
<a class="jxr_linenumber" name="289" href="#289">289</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="290" href="#290">290</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> configure(<strong class="jxr_keyword">long</strong> newCheckInterval) {
<a class="jxr_linenumber" name="291" href="#291">291</a>         checkInterval = newCheckInterval;
<a class="jxr_linenumber" name="292" href="#292">292</a>         <strong class="jxr_keyword">if</strong> (trafficCounter != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="293" href="#293">293</a>             trafficCounter.configure(checkInterval);
<a class="jxr_linenumber" name="294" href="#294">294</a>         }
<a class="jxr_linenumber" name="295" href="#295">295</a>     }
<a class="jxr_linenumber" name="296" href="#296">296</a> 
<a class="jxr_linenumber" name="297" href="#297">297</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="298" href="#298">298</a> <em class="jxr_javadoccomment">     * Called each time the accounting is computed from the TrafficCounters.</em>
<a class="jxr_linenumber" name="299" href="#299">299</a> <em class="jxr_javadoccomment">     * This method could be used for instance to implement almost real time accounting.</em>
<a class="jxr_linenumber" name="300" href="#300">300</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="301" href="#301">301</a> <em class="jxr_javadoccomment">     * @param counter</em>
<a class="jxr_linenumber" name="302" href="#302">302</a> <em class="jxr_javadoccomment">     *            the TrafficCounter that computes its performance</em>
<a class="jxr_linenumber" name="303" href="#303">303</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="304" href="#304">304</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> doAccounting(<a href="../../../../../org/jboss/netty/handler/traffic/TrafficCounter.html">TrafficCounter</a> counter) {
<a class="jxr_linenumber" name="305" href="#305">305</a>         <em class="jxr_comment">// NOOP by default</em>
<a class="jxr_linenumber" name="306" href="#306">306</a>     }
<a class="jxr_linenumber" name="307" href="#307">307</a> 
<a class="jxr_linenumber" name="308" href="#308">308</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="309" href="#309">309</a> <em class="jxr_javadoccomment">     * Class to implement setReadable at fix time</em>
<a class="jxr_linenumber" name="310" href="#310">310</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="311" href="#311">311</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/jboss/netty/handler/traffic/AbstractTrafficShapingHandler.html">ReopenReadTimerTask</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../../org/jboss/netty/util/TimerTask.html">TimerTask</a> {
<a class="jxr_linenumber" name="312" href="#312">312</a>         <strong class="jxr_keyword">final</strong> <a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx;
<a class="jxr_linenumber" name="313" href="#313">313</a>         <a href="../../../../../org/jboss/netty/handler/traffic/AbstractTrafficShapingHandler.html">ReopenReadTimerTask</a>(<a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx) {
<a class="jxr_linenumber" name="314" href="#314">314</a>             <strong class="jxr_keyword">this</strong>.ctx = ctx;
<a class="jxr_linenumber" name="315" href="#315">315</a>         }
<a class="jxr_linenumber" name="316" href="#316">316</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run(<a href="../../../../../org/jboss/netty/util/Timeout.html">Timeout</a> timeoutArg) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="317" href="#317">317</a>             <em class="jxr_comment">//logger.warn("Start RRTT: "+release.get());</em>
<a class="jxr_linenumber" name="318" href="#318">318</a>             <strong class="jxr_keyword">if</strong> (release.get()) {
<a class="jxr_linenumber" name="319" href="#319">319</a>                 <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="320" href="#320">320</a>             }
<a class="jxr_linenumber" name="321" href="#321">321</a>             <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="322" href="#322">322</a> <em class="jxr_comment">            logger.warn("WAKEUP! "+</em>
<a class="jxr_linenumber" name="323" href="#323">323</a> <em class="jxr_comment">                    (ctx != null &amp;&amp; ctx.getChannel() != null &amp;&amp;</em>
<a class="jxr_linenumber" name="324" href="#324">324</a> <em class="jxr_comment">                            ctx.getChannel().isConnected()));</em>
<a class="jxr_linenumber" name="325" href="#325">325</a> <em class="jxr_comment">             */</em>
<a class="jxr_linenumber" name="326" href="#326">326</a>             <strong class="jxr_keyword">if</strong> (ctx != <strong class="jxr_keyword">null</strong> &amp;&amp; ctx.getChannel() != <strong class="jxr_keyword">null</strong> &amp;&amp;
<a class="jxr_linenumber" name="327" href="#327">327</a>                     ctx.getChannel().isConnected()) {
<a class="jxr_linenumber" name="328" href="#328">328</a>                 <em class="jxr_comment">//logger.warn(" setReadable TRUE: ");</em>
<a class="jxr_linenumber" name="329" href="#329">329</a>                 <em class="jxr_comment">// readSuspended = false;</em>
<a class="jxr_linenumber" name="330" href="#330">330</a>                 ctx.setAttachment(<strong class="jxr_keyword">null</strong>);
<a class="jxr_linenumber" name="331" href="#331">331</a>                 ctx.getChannel().setReadable(<strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="332" href="#332">332</a>             }
<a class="jxr_linenumber" name="333" href="#333">333</a>         }
<a class="jxr_linenumber" name="334" href="#334">334</a>     }
<a class="jxr_linenumber" name="335" href="#335">335</a> 
<a class="jxr_linenumber" name="336" href="#336">336</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="337" href="#337">337</a> <em class="jxr_javadoccomment">     * @return the time that should be necessary to wait to respect limit. Can be negative time</em>
<a class="jxr_linenumber" name="338" href="#338">338</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="339" href="#339">339</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">long</strong> getTimeToWait(<strong class="jxr_keyword">long</strong> limit, <strong class="jxr_keyword">long</strong> bytes, <strong class="jxr_keyword">long</strong> lastTime, <strong class="jxr_keyword">long</strong> curtime) {
<a class="jxr_linenumber" name="340" href="#340">340</a>         <strong class="jxr_keyword">long</strong> interval = curtime - lastTime;
<a class="jxr_linenumber" name="341" href="#341">341</a>         <strong class="jxr_keyword">if</strong> (interval &lt;= 0) {
<a class="jxr_linenumber" name="342" href="#342">342</a>             <em class="jxr_comment">// Time is too short, so just lets continue</em>
<a class="jxr_linenumber" name="343" href="#343">343</a>             <strong class="jxr_keyword">return</strong> 0;
<a class="jxr_linenumber" name="344" href="#344">344</a>         }
<a class="jxr_linenumber" name="345" href="#345">345</a>         <strong class="jxr_keyword">return</strong> (bytes * 1000 / limit - interval) / 10 * 10;
<a class="jxr_linenumber" name="346" href="#346">346</a>     }
<a class="jxr_linenumber" name="347" href="#347">347</a> 
<a class="jxr_linenumber" name="348" href="#348">348</a>     @Override
<a class="jxr_linenumber" name="349" href="#349">349</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> messageReceived(<a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../../org/jboss/netty/channel/MessageEvent.html">MessageEvent</a> evt)
<a class="jxr_linenumber" name="350" href="#350">350</a>             <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="351" href="#351">351</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="352" href="#352">352</a>             <strong class="jxr_keyword">long</strong> curtime = System.currentTimeMillis();
<a class="jxr_linenumber" name="353" href="#353">353</a>             <strong class="jxr_keyword">long</strong> size = objectSizeEstimator.estimateSize(evt.getMessage());
<a class="jxr_linenumber" name="354" href="#354">354</a>             <strong class="jxr_keyword">if</strong> (trafficCounter != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="355" href="#355">355</a>                 trafficCounter.bytesRecvFlowControl(size);
<a class="jxr_linenumber" name="356" href="#356">356</a>                 <strong class="jxr_keyword">if</strong> (readLimit == 0) {
<a class="jxr_linenumber" name="357" href="#357">357</a>                     <em class="jxr_comment">// no action</em>
<a class="jxr_linenumber" name="358" href="#358">358</a>                     <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="359" href="#359">359</a>                 }
<a class="jxr_linenumber" name="360" href="#360">360</a>                 <em class="jxr_comment">// compute the number of ms to wait before reopening the channel</em>
<a class="jxr_linenumber" name="361" href="#361">361</a>                 <strong class="jxr_keyword">long</strong> wait = getTimeToWait(readLimit,
<a class="jxr_linenumber" name="362" href="#362">362</a>                         trafficCounter.getCurrentReadBytes(),
<a class="jxr_linenumber" name="363" href="#363">363</a>                         trafficCounter.getLastTime(), curtime);
<a class="jxr_linenumber" name="364" href="#364">364</a>                 <strong class="jxr_keyword">if</strong> (wait &gt;= MINIMAL_WAIT) { <em class="jxr_comment">// At least 10ms seems a minimal</em>
<a class="jxr_linenumber" name="365" href="#365">365</a>                                             <em class="jxr_comment">// time in order to</em>
<a class="jxr_linenumber" name="366" href="#366">366</a>                     <a href="../../../../../org/jboss/netty/channel/Channel.html">Channel</a> channel = ctx.getChannel();
<a class="jxr_linenumber" name="367" href="#367">367</a>                     <em class="jxr_comment">// try to limit the traffic</em>
<a class="jxr_linenumber" name="368" href="#368">368</a>                     <strong class="jxr_keyword">if</strong> (channel != <strong class="jxr_keyword">null</strong> &amp;&amp; channel.isConnected()) {
<a class="jxr_linenumber" name="369" href="#369">369</a>                         <em class="jxr_comment">// Channel version</em>
<a class="jxr_linenumber" name="370" href="#370">370</a>                         <strong class="jxr_keyword">if</strong> (timer == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="371" href="#371">371</a>                             <em class="jxr_comment">// Sleep since no executor</em>
<a class="jxr_linenumber" name="372" href="#372">372</a>                             <em class="jxr_comment">// logger.warn("Read sleep since no timer for "+wait+" ms for "+this);</em>
<a class="jxr_linenumber" name="373" href="#373">373</a>                             <strong class="jxr_keyword">if</strong> (release.get()) {
<a class="jxr_linenumber" name="374" href="#374">374</a>                                 <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="375" href="#375">375</a>                             }
<a class="jxr_linenumber" name="376" href="#376">376</a>                             Thread.sleep(wait);
<a class="jxr_linenumber" name="377" href="#377">377</a>                             <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="378" href="#378">378</a>                         }
<a class="jxr_linenumber" name="379" href="#379">379</a>                         <strong class="jxr_keyword">if</strong> (ctx.getAttachment() == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="380" href="#380">380</a>                             <em class="jxr_comment">// readSuspended = true;</em>
<a class="jxr_linenumber" name="381" href="#381">381</a>                             ctx.setAttachment(Boolean.TRUE);
<a class="jxr_linenumber" name="382" href="#382">382</a>                             channel.setReadable(false);
<a class="jxr_linenumber" name="383" href="#383">383</a>                             <em class="jxr_comment">// logger.warn("Read will wakeup after "+wait+" ms "+this);</em>
<a class="jxr_linenumber" name="384" href="#384">384</a>                             <a href="../../../../../org/jboss/netty/util/TimerTask.html">TimerTask</a> timerTask = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/jboss/netty/handler/traffic/AbstractTrafficShapingHandler.html">ReopenReadTimerTask</a>(ctx);
<a class="jxr_linenumber" name="385" href="#385">385</a>                             timeout = timer.newTimeout(timerTask, wait,
<a class="jxr_linenumber" name="386" href="#386">386</a>                                     TimeUnit.MILLISECONDS);
<a class="jxr_linenumber" name="387" href="#387">387</a>                         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="388" href="#388">388</a>                             <em class="jxr_comment">// should be waiting: but can occurs sometime so as</em>
<a class="jxr_linenumber" name="389" href="#389">389</a>                             <em class="jxr_comment">// a FIX</em>
<a class="jxr_linenumber" name="390" href="#390">390</a>                             <em class="jxr_comment">// logger.warn("Read sleep ok but should not be here: "+wait+" "+this);</em>
<a class="jxr_linenumber" name="391" href="#391">391</a>                             <strong class="jxr_keyword">if</strong> (release.get()) {
<a class="jxr_linenumber" name="392" href="#392">392</a>                                 <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="393" href="#393">393</a>                             }
<a class="jxr_linenumber" name="394" href="#394">394</a>                             Thread.sleep(wait);
<a class="jxr_linenumber" name="395" href="#395">395</a>                         }
<a class="jxr_linenumber" name="396" href="#396">396</a>                     } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="397" href="#397">397</a>                         <em class="jxr_comment">// Not connected or no channel</em>
<a class="jxr_linenumber" name="398" href="#398">398</a>                         <em class="jxr_comment">// logger.warn("Read sleep "+wait+" ms for "+this);</em>
<a class="jxr_linenumber" name="399" href="#399">399</a>                         <strong class="jxr_keyword">if</strong> (release.get()) {
<a class="jxr_linenumber" name="400" href="#400">400</a>                             <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="401" href="#401">401</a>                         }
<a class="jxr_linenumber" name="402" href="#402">402</a>                         Thread.sleep(wait);
<a class="jxr_linenumber" name="403" href="#403">403</a>                     }
<a class="jxr_linenumber" name="404" href="#404">404</a>                 }
<a class="jxr_linenumber" name="405" href="#405">405</a>             }
<a class="jxr_linenumber" name="406" href="#406">406</a>         } <strong class="jxr_keyword">finally</strong> {
<a class="jxr_linenumber" name="407" href="#407">407</a>             <em class="jxr_comment">// The message is then just passed to the next handler</em>
<a class="jxr_linenumber" name="408" href="#408">408</a>             <strong class="jxr_keyword">super</strong>.messageReceived(ctx, evt);
<a class="jxr_linenumber" name="409" href="#409">409</a>         }
<a class="jxr_linenumber" name="410" href="#410">410</a>     }
<a class="jxr_linenumber" name="411" href="#411">411</a> 
<a class="jxr_linenumber" name="412" href="#412">412</a>     @Override
<a class="jxr_linenumber" name="413" href="#413">413</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> writeRequested(<a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../../org/jboss/netty/channel/MessageEvent.html">MessageEvent</a> evt)
<a class="jxr_linenumber" name="414" href="#414">414</a>             <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="415" href="#415">415</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="416" href="#416">416</a>             <strong class="jxr_keyword">long</strong> curtime = System.currentTimeMillis();
<a class="jxr_linenumber" name="417" href="#417">417</a>             <strong class="jxr_keyword">long</strong> size = objectSizeEstimator.estimateSize(evt.getMessage());
<a class="jxr_linenumber" name="418" href="#418">418</a>             <strong class="jxr_keyword">if</strong> (trafficCounter != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="419" href="#419">419</a>                 trafficCounter.bytesWriteFlowControl(size);
<a class="jxr_linenumber" name="420" href="#420">420</a>                 <strong class="jxr_keyword">if</strong> (writeLimit == 0) {
<a class="jxr_linenumber" name="421" href="#421">421</a>                     <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="422" href="#422">422</a>                 }
<a class="jxr_linenumber" name="423" href="#423">423</a>                 <em class="jxr_comment">// compute the number of ms to wait before continue with the</em>
<a class="jxr_linenumber" name="424" href="#424">424</a>                 <em class="jxr_comment">// channel</em>
<a class="jxr_linenumber" name="425" href="#425">425</a>                 <strong class="jxr_keyword">long</strong> wait = getTimeToWait(writeLimit,
<a class="jxr_linenumber" name="426" href="#426">426</a>                         trafficCounter.getCurrentWrittenBytes(),
<a class="jxr_linenumber" name="427" href="#427">427</a>                         trafficCounter.getLastTime(), curtime);
<a class="jxr_linenumber" name="428" href="#428">428</a>                 <strong class="jxr_keyword">if</strong> (wait &gt;= MINIMAL_WAIT) {
<a class="jxr_linenumber" name="429" href="#429">429</a>                     <em class="jxr_comment">// Global or Channel</em>
<a class="jxr_linenumber" name="430" href="#430">430</a>                     <strong class="jxr_keyword">if</strong> (release.get()) {
<a class="jxr_linenumber" name="431" href="#431">431</a>                         <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="432" href="#432">432</a>                     }
<a class="jxr_linenumber" name="433" href="#433">433</a>                     Thread.sleep(wait);
<a class="jxr_linenumber" name="434" href="#434">434</a>                 }
<a class="jxr_linenumber" name="435" href="#435">435</a>             }
<a class="jxr_linenumber" name="436" href="#436">436</a>         } <strong class="jxr_keyword">finally</strong> {
<a class="jxr_linenumber" name="437" href="#437">437</a>             <em class="jxr_comment">// The message is then just passed to the next handler</em>
<a class="jxr_linenumber" name="438" href="#438">438</a>             <strong class="jxr_keyword">super</strong>.writeRequested(ctx, evt);
<a class="jxr_linenumber" name="439" href="#439">439</a>         }
<a class="jxr_linenumber" name="440" href="#440">440</a>     }
<a class="jxr_linenumber" name="441" href="#441">441</a>     @Override
<a class="jxr_linenumber" name="442" href="#442">442</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> handleDownstream(<a href="../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../../org/jboss/netty/channel/ChannelEvent.html">ChannelEvent</a> e)
<a class="jxr_linenumber" name="443" href="#443">443</a>             <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="444" href="#444">444</a>         <strong class="jxr_keyword">if</strong> (e instanceof ChannelStateEvent) {
<a class="jxr_linenumber" name="445" href="#445">445</a>             <a href="../../../../../org/jboss/netty/channel/ChannelStateEvent.html">ChannelStateEvent</a> cse = (ChannelStateEvent) e;
<a class="jxr_linenumber" name="446" href="#446">446</a>             <strong class="jxr_keyword">if</strong> (cse.getState() == ChannelState.INTEREST_OPS &amp;&amp;
<a class="jxr_linenumber" name="447" href="#447">447</a>                     (((Integer) cse.getValue()).intValue() &amp; Channel.OP_READ) != 0) {
<a class="jxr_linenumber" name="448" href="#448">448</a> 
<a class="jxr_linenumber" name="449" href="#449">449</a>                 <em class="jxr_comment">// setReadable(true) requested</em>
<a class="jxr_linenumber" name="450" href="#450">450</a>                 <strong class="jxr_keyword">boolean</strong> readSuspended = ctx.getAttachment() != <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="451" href="#451">451</a>                 <strong class="jxr_keyword">if</strong> (readSuspended) {
<a class="jxr_linenumber" name="452" href="#452">452</a>                     <em class="jxr_comment">// Drop the request silently if this handler has</em>
<a class="jxr_linenumber" name="453" href="#453">453</a>                     <em class="jxr_comment">// set the flag.</em>
<a class="jxr_linenumber" name="454" href="#454">454</a>                     e.getFuture().setSuccess();
<a class="jxr_linenumber" name="455" href="#455">455</a>                     <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="456" href="#456">456</a>                 }
<a class="jxr_linenumber" name="457" href="#457">457</a>             }
<a class="jxr_linenumber" name="458" href="#458">458</a>         }
<a class="jxr_linenumber" name="459" href="#459">459</a>         <strong class="jxr_keyword">super</strong>.handleDownstream(ctx, e);
<a class="jxr_linenumber" name="460" href="#460">460</a>     }
<a class="jxr_linenumber" name="461" href="#461">461</a> 
<a class="jxr_linenumber" name="462" href="#462">462</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="463" href="#463">463</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="464" href="#464">464</a> <em class="jxr_javadoccomment">     * @return the current TrafficCounter (if</em>
<a class="jxr_linenumber" name="465" href="#465">465</a> <em class="jxr_javadoccomment">     *         channel is still connected)</em>
<a class="jxr_linenumber" name="466" href="#466">466</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="467" href="#467">467</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/jboss/netty/handler/traffic/TrafficCounter.html">TrafficCounter</a> getTrafficCounter() {
<a class="jxr_linenumber" name="468" href="#468">468</a>         <strong class="jxr_keyword">return</strong> trafficCounter;
<a class="jxr_linenumber" name="469" href="#469">469</a>     }
<a class="jxr_linenumber" name="470" href="#470">470</a> 
<a class="jxr_linenumber" name="471" href="#471">471</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> releaseExternalResources() {
<a class="jxr_linenumber" name="472" href="#472">472</a>         <strong class="jxr_keyword">if</strong> (trafficCounter != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="473" href="#473">473</a>             trafficCounter.stop();
<a class="jxr_linenumber" name="474" href="#474">474</a>         }
<a class="jxr_linenumber" name="475" href="#475">475</a>         release.set(<strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="476" href="#476">476</a>         <strong class="jxr_keyword">if</strong> (timeout != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="477" href="#477">477</a>             timeout.cancel();
<a class="jxr_linenumber" name="478" href="#478">478</a>         }
<a class="jxr_linenumber" name="479" href="#479">479</a>         timer.stop();
<a class="jxr_linenumber" name="480" href="#480">480</a>     }
<a class="jxr_linenumber" name="481" href="#481">481</a> 
<a class="jxr_linenumber" name="482" href="#482">482</a>     @Override
<a class="jxr_linenumber" name="483" href="#483">483</a>     <strong class="jxr_keyword">public</strong> String toString() {
<a class="jxr_linenumber" name="484" href="#484">484</a>         <strong class="jxr_keyword">return</strong> <span class="jxr_string">"TrafficShaping with Write Limit: "</span> + writeLimit +
<a class="jxr_linenumber" name="485" href="#485">485</a>                 <span class="jxr_string">" Read Limit: "</span> + readLimit + <span class="jxr_string">" and Counter: "</span> +
<a class="jxr_linenumber" name="486" href="#486">486</a>                 (trafficCounter != <strong class="jxr_keyword">null</strong>? trafficCounter.toString() : <span class="jxr_string">"none"</span>);
<a class="jxr_linenumber" name="487" href="#487">487</a>     }
<a class="jxr_linenumber" name="488" href="#488">488</a> }
</pre>
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